Mechanical waste is a comprehensive term used to portray material viewed as presently not of utilization after an assembling cycle has been finished [1]. There are numerous areas of modern assembling that produce squander, including: Different kinds of industrial facilities • Mining • Textile plants • Food fabricating • Consumer merchandise • Industrial synthetic compounds • Printing and distributing
Sameer Joshi
Design for recycling and recycled content standards and certification are two elements that will be incorporated into circular activities as it moves forward. Kim Markel’s popsicle-colored recycled chair sand accessories stand out in into any room. The collection consists of chairs, side tables, wall and handheld mirrors, and vases made using reclaimed plastic pellets bonded together with resin. Markel says that the ratio of recycled material to resin is currently about 70%, and will increase it soon. “I’ve always made things, but I studied public policy, specifically relating to the environment, so I’m really interested in making things in the most responsible way” says Markel. “If I’m going to put new things into the world, I want them to be made of mostly reused material.” The plastics that make up the pellets come from a variety of sources from beverage bottles to lunch trays to eye glasses. The unique makeup of the pellet/resin mixture gives the finished pieces a perfectly imperfect, organic form.
Alexander Sotnichenko Sotnichenko
Farming squanders are abundance of agrarian creation that haven't been adequately used. Most waste administration approaches are strategies for grouping of waste, for instance, source partition, organic waste treatment, cremation, or land removal. Reusing, reprocessing, and usage of the losses during a positive way offers the possibility of restoring the abundance to advantageous use instead of the traditional techniques for garbage removal and movement. The keys to fruitful interaction of this nature are an advantageous use, a satisfactory market, and a prudent, albeit not really benefit making measure. Many such cycles would be palatable on the off chance that they made the final expenses of waste administration be not exactly different other options. Any extra strides in use should reimburse extra more grounded, handling and dispersion costs that are caused. A return more noteworthy than the extra expense of usage is alluring in this is diminishes the whole expense of waste administration yet such decrease might not up to motivate a general benefit for the make.
Ali Hassanpour
While reusing may be a term commonly applied to aluminum jars, glass jugs, and papers, water will be reused too. Water reusing are reusing treated wastewater for valuable purposes, for instance, horticultural and scene water system, modern cycles, latrine flushing, and replenishing a water bowl (alluded to as spring water reenergize). Water is here and there reused and reused nearby; as an example, when a contemporary office reuses water utilized for cooling measures. A typical reasonably reused water are going to be water that has been reclaimed from civil wastewater, or sewage. The term water reusing is by and huge utilized synonymously with water recovery and water reuse. Through the regular water cycle, the world has reused plenty water for an extended period of your time. Water reusing, however, for the foremost part alludes to projects that utilization innovation to accelerate these regular cycles. Water reusing is usually portrayed as "spontaneous" or "arranged".
David Thomas*
Our industry continues to produce an increasing number of buildups that are now ineffective. The massive development of a waste age all over the world has quickly become one of the current economy's most pressing problems. Despite increased attention to ecological viewpoints, the clearance of noneconomically valuable buildups remains a big problem for a large chunk of the earth. Legislators and social orders continue to oppose the issue by emphasising the necessity to avoid the trash age. The work of the business is around reintroducing materials to the market. Mechanical reuse, on the other hand, necessitates cutting-edge handling innovations, and a high recovery rate isn't always feasible for local networks. The demand for simple and effective waste management strategies is growing at a breakneck pace. What procedures can be made to manage undesired deposits while still benefiting the environment and industry? The concept of waste valorization is coexisting with the developments in reusing and reuse. Valorization, or "upgrading the worth," is the process of converting deposits into items of greater value. The end result could include high-quality synthetic chemicals, materials, energizers, and energy, as well as a variety of other goods beneficial to the local economy.
Cem Turaman* and Osman Sert
Bio-waste conversion is an important global environmental issue. Household bio-waste, poultry manure and dog stool constitute a considerable percentage of the produced bio-waste. Flies such as Hermetia illucens (L.) and Musca domestica (L.) are largely used in the conversion of household bio-waste and poultry manure. So far, no flies have been used in conversion of dog stool. In this study, effectiveness of conversion of such biowastes of different flies, namely Calliphora vicina, Lucilia sericata, Musca domestica, Fannia canicularis (L.), and Sarcophaga argyrostoma are investigated and contrasted against the reference fly, Hermetia illucens. In household bio-waste conversion, Hermetia illucens and Sarcophaga argyrostoma, and in dog stool conversion Hermetia illucens and Musca domestica have been found to be effective. Conversion of poultry manure mixed with cattle lung by four fly species has been found to be moderate.
Yohannis Fetenea*, Biruk Gobena and Mohammed Birhan
For effective planning and development of waste management systems for cities, proper quantification and characterization of the municipal solid waste are essential. The objective of this study was to determine the composition and generation rate of household, commercials and institutions solid waste in Metu town as a measure towards effective waste management. Total daily municipal solid waste generated from the town was estimated to be 35,649 kg, among it more than 83% of the waste generated from households, 16% from commercials area and the rest from institutions. The per capita daily solid waste generation for households was 0.378 ± 0.05 kg/cap/day, commercials area and institutions were found to be 0.024 ± 0.01 kg/floor area/day and 0.14 ± 0.05 kg/employee/day, respectively. The Physical characterization showed that biodegradable waste, plastic, paper and cardboard, textile, leather, rubber, wood scrap, sanitary product and metal waste were the constituents of all waste samples in the study area, but in varying proportions. The composition analysis of municipal solid waste showed that more than 50% by weight was biodegradable/organic waste which is valuable resource for recycling in the form of organic fertilizer. Whereas, 25% of waste generated from the town can be recycled at generation level. The calorific/energy value of municipal solid waste revealed that 3,305 kcal/kg for paper and cardboard waste, and 3,819.33 kcal/kg for wood scrap waste which revealed the suitability of the Metu town municipal solid waste as energy recovery option. From the result of this study it can be concluded that, higher biodegradable solid waste and good calorific value of the solid wastes generated in the town the town municipality can recover this waste by introducing an integrated urban agriculture that might convert this waste to organic fertilizer through composting and waste to energy conversion can be an attractive urban waste management option and source of energy as an alternative to fossil-based fuels.
Lucas E Esekon*, Ferdinand Nabiswa and Edward Neyole
Meaningful community participation is a challenging, but promising, feature of environmental protection in developing countries such as Kenya and most especially in pollution management. This study employed a descriptive research design. The target population of this study comprised of households’ heads and community leaders as key informants. The sample size of the household heads interviewed were ascertained through the use of Yamane’s formula which arrived at 352 household heads. Primary data was collected through questionnaires which were self- administered with assistance from the research assistants. The study used multiple regressions to establish the relationship between the independent variables and the dependent variables. The study established that there was a positive significant correlation between pollution management and responsible waste management as shown by a correlation figure of 0.715. The study also established that there was a positive correlation between pollution management and participatory planning with a correlation figure of 0. 621, and that there was also a positive correlation between pollution management and participatory budgeting with a correlation value of 0.681.
Marwa Khemakhem*, Clara Le Rouzic, Thierry Falher, Valentin Thoury and Samira Ouardad El Bir*
DOI: 10.37421/2475-7675.2024.9.321
The effect of repeated injection processing cycles on the structure and properties of poly (hydroxybutyrate)/ poly (butylene succinate-co-adipate) blends, initially extruded by using a twin screw extruder, was investigated. The recycling was simulated by performing five successive injections/ grinding runs. Neat poly (hydroxybutyrate) was also reprocessed under the same conditions as a reference. The results showed that the recyclability of PHB is restricted due to its sensitivity to thermomechanical degradation. Nevertheless, the PBSA addition had a stabilizing effect on PHB and an improved compatibility between the two components was observed during the reprocessing cycles due to a morphology evolution from cocontinuous to droplets in matrix type. This morphological transition was the main factor to the significant increase of the blend ductility right after the first injection cycle.
The thermal, the viscoelastic and the mechanical properties of this blend were maintained during the recycling process thus testifying that this formulation can be recycled several times by injection molding without losing its performances before being composted.
The rapid growth of electronic waste (e-waste) poses a significant environmental challenge, with the accumulation of valuable metals in discarded devices contributing to resource depletion and pollution. Traditional methods of metal extraction from e-waste are often energy-intensive and environmentally detrimental. This article explores an innovative and sustainable approach to metal extraction from electronic waste by harnessing the unique abilities of manganese-oxidizing fungi. These fungi, known for their role in biogeochemical cycling, offer a promising avenue for eco-friendly and cost-effective metal recovery. This article reviews the current state of electronic waste management, highlights the potential of manganese-oxidizing fungi, discusses the mechanisms involved in metal extraction, and evaluates the environmental and economic implications of this approach.
Plastic waste pollution presents a significant environmental challenge worldwide, demanding innovative solutions for mitigation and recycling. One promising avenue involves the conversion of plastic waste into supports for nanostructured heterogeneous catalysts, offering dual benefits of waste management and environmental cleanup. This article explores the various methodologies, catalysts, and applications involved in this emerging field. By repurposing plastic waste into catalyst supports, researchers aim to address environmental concerns while fostering sustainable practices. Through a comprehensive examination of the current literature, this article elucidates the mechanisms, challenges, and potential of plastic waste conversion into supports for nanostructured heterogeneous catalysts in environmental cleanup efforts.
This article explores the latest advancements in the extraction of lycopene from tomato waste, shedding light on its potential as a powerful antioxidant with numerous health benefits. Lycopene, a carotenoid pigment responsible for the red color in tomatoes, has gained significant attention for its antioxidant properties and potential in preventing various chronic diseases. With an increasing focus on sustainable practices and waste utilization, researchers are actively working on developing efficient methods to extract lycopene from tomato by-products. This article provides an overview of the importance of lycopene, the challenges in extraction, and recent breakthroughs in the field. Additionally, it discusses the diverse applications of lycopene in the food, pharmaceutical, and cosmetic industries, highlighting its role in promoting health and wellness.
Samaneh Sadat Mohseni Armaki*, Shahrzad Khoramnejadian, Saeed Reza Asemi Zavareh and Azita Behbahaninia
DOI: 10.37421/2475-7675.2023.8.311
The urbanization and population increase have led to a surge in the generation of significant amounts of solid waste across a majority of the cities in developing countries. Municipal waste management is a public issue with health, environmental, economic and social implications at the home, local, national and international levels, so the scope of management of this category is very wide and variable, for such an organization there is no other way but strategic management. So far, the authorities have made efforts to develop specialized criteria and meet the needs and implementation of management. However, in addition to planning, factors such as the allocation of funds and real facilities, education and information play a very important role in this regard. This qualitative-quantitative study was conducted with the aim of designing a strategic model of municipal solid waste management with a minimization approach through maximum participation of citizens, stakeholders in decision making. Participation of stakeholders, executive platforms and operational plans in the field of waste management, raising awareness and creating a culture is one of the main factors in waste management. Based on this, the strategic model of municipal solid waste management was designed with a minimization approach through maximum citizen participation of stakeholders in decision making. In the next step, in order to evaluate and validate the model, its applicability in the field of operation and fitting the model in measurement, structural and general dimensions was done with the help of smart pls2 software. This paper identifies and explores key elements for planning and implementing maximum public participation with decision making of stakeholders in the area of solid waste minimization. These can include stakeholders (e.g., citizen participation in decision-making, changing attitudes and behaviors), service providers (e.g., mobilizing all service providers, i.e. municipalities and non-municipalities, including the formal private sector) and informal and community), tackling corruption issues, sustainability of financial resources (such as awareness of related costs, cost-effective services, improving revenue processes, access to finance) and creating effective national policies and institutions and local (such as law enforcement, clarity of roles and responsibilities, job creation, information management systems).
Adebomi Oreoluwa, James Ebun Atolagbe, Adeola Oshineye*, Olarinmoye Abayomi, Oyebade Akin and Jesutomi Oladapo
Land is one of the major receipt of wastes (solid, liquid and air emission) generated from human activities. Land pollution is a serious environmental problem with far-reaching effects on sustainable development, ecological balance, and human health. Understanding the knowledge and attitude of traders can provide necessary solution and intervention. The aim of this study was to assess traders’ knowledge and attitude towards land pollution in Igbona Market, Osogbo Nigeria. Face-to-face interviews and observations were conducted among a sample of 317 traders. A questionnaire consisting of closed ended questions was used to collect data. The results of the study showed high level of knowledge among the traders regarding land pollution and its impacts. Few of the traders experienced health problems related to land pollution also few of them have ever experienced any health problem believed may be related to land pollution. The trader’s attitude towards land pollution was largely positive with the idea of sewage and wastewater be properly controlled. The findings of this study provide valuable insights into the knowledge and attitudes of traders in Igbona Market towards land pollution, and show the need for sustained education and awareness-raising activities to further encourage preventive measures for land pollution in the market.
Joana da Claudia Ricardo*, Juvencio Lucas Novela and Ornilio Zandamela
Agricultural and mining activities are extremely important in terms of human needs, as they provide resources for survival and well-being, in addition to being a source of income in the world. In Mozambique, fossil fuels are the energy base of modern industrial society, with mineral coal being the non-renewable energy source with the greatest availability capable of sustaining 150 years of consumption in the absence of all energy sources. There are several coal deposits in Mozambique, the most outstanding and one of the largest in the world being the coal basin of Moatize, Tete province, with estimated reserves of just over 2.5 billion tons. The transport of heavy metals in mines and steel industries has caused contamination of the soil and mainly of the water. On the other hand, the irrigation of plants with contaminated water generates numerous waterborne diseases and the direct consumption of this water gives rise to serious health problems for man and even animals. Mining activities must be carried out taking into account the risk of contamination by heavy metals. There are some techniques for removing heavy metals in water and soil, and some of them have certain limitations. The risk assessment is done through models based on statistical tests and laboratory tests, according to the parameter to be evaluated. The most common heavy metals are copper, zinc and cadmium.
Advances in Recycling & Waste Management received 438 citations as per Google Scholar report